| Abbreviation | Definition |
|---|---|
| RMN | Raman Media Network |
| RNN | Randy News Network |
| RNN | Rassd News Network |
| RNN | Robot News Network |
| RNS | Rambler News Service |
| RNS | Regulatory News Services |
| RNT | Rome News Tribune |
| RNU | Raiders News Update |
| ROFM | Representative on Freedom of the Media |
| ROG | Relentless Outerworld Garrison |
| ROTP | Run of the Press |
| RPK | Reverb Press Kit |
| RPK | Reverb Press Kits |
| RPR | Radio Program Recorder |
| RRD | R. R. Donnelley & Sons Company, Printers |
| RRE | Red Rock Eater News Service |
| RRN | Relationship Research News |
| RRP | Ribbon Rail Productions |
| RS | Regular Show |
| RSCP | Rudolf Steiner College Press |